Confused?

So I’m currently 15 days late. At 11 days late I took a test and it was negative, but I still haven’t gotten my period and I don’t have any of my period symptoms (cramps, indigestion, and hot flashes). With my first pregnancy, I was so nauseous that I couldn’t even roll over without throwing up. But with my second I didn’t have any symptoms and I didn’t even know I was pregnant until I had a miscarriage. I’m so confused rn and I wanna take another test but if it’s negative I’m gonna be sad and more confused on why I’m so late. Any advice or suggestions? I’m open to anything.